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§ Private Profile · Hamden, CT, USA
Carbon removal company offering Wastewater Alkalinity Enhancement (WAE) technology for CO2 removal in wastewater treatment plants.
Based in Hamden, Connecticut, CREW Carbon is a climate technology company that removes carbon dioxide from wastewater using enhanced weathering techniques integrated directly into existing municipal treatment facilities. Founded in 2022 by Joachim Katchinoff and Noah Planavsky, the enterprise utilizes proprietary Wastewater Alkalinity Enhancement technology to improve water treatment efficiency while permanently storing carbon. The firm generates verified carbon removal credits for corporate buyers through offtake agreements, turning standard treatment plants into valuable carbon removal assets. To scale operations, the company raised an oversubscribed seed funding round of $5,300,000 led by Counteract, alongside participation from ReGen Ventures, Ponderosa Ventures, and Connecticut Innovations. Operating multiple kiloton projects at sites like the East Shore Water Pollution Abatement Facility, CREW Carbon secured a $32,100,000 six year agreement and delivered its first verified credits to Frontier buyers including Stripe, Google, and Shopify.
CREW Carbon has raised $7.7M across 2 funding rounds.
CREW Carbon has raised $7.7M in total across 2 funding rounds.
CREW Carbon has raised $7.7M across 2 funding rounds. Most recently, it raised $2.4M Grant in February 2026.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Feb 18, 2026 | $2.4M Grant | Colorado Office OF Economic Development And International Trade | — | Announced |
| Oct 30, 2024 | $5.3M Seed | Andy Bonsall | Animo Ventures, Carbon Drawdown Initiative, Connecticut Innovations, Echo River Capital, Newlab, Ponderosa Ventures, ReGen Ventures | Announced |
CREW Carbon has raised $7.7M in total across 2 funding rounds.
CREW Carbon's investors include Colorado Office of Economic Development and International Trade, Andy Bonsall, Animo Ventures, Carbon Drawdown Initiative, Connecticut Innovations, Echo River Capital, Newlab, Ponderosa Ventures, ReGen Ventures.